Math Open Reference
Math Open Reference: Positive Numbers
Learn about positive numbers with this handy reference guide. Provides a detailed definition and an interactive activity that enhances further explanation. Includes links to related topics.
NumberNut
Number Nut: Subtraction: Single Digit Subtraction
A quiz for practicing subtraction of one-digit numbers where some of the answers may be negative numbers.
Math Words
Math Words: Rational Numbers
Mathwords provides a brief description with an easy to read chart that includes all types of real numbers.
Soft Schools
Soft Schools: Rational Numbers on the Number Line
Practice placing negative and positive numbers on a number line in this interactive self-correcting quiz.
Khan Academy
Khan Academy: Adding & Subtracting Negative Fractions
Practice adding and subtracting positive and negative fractions.
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide: Rational Numbers
A guide to support parents as they work with their students in rational numbers.
PBS
Pbs: The Number Line: Rational Numbers and Football
In this interactive, students add and subtract plays on a football field to practice working with negative and positive integers on the number line. Each set of randomized drives consists of seven to nine plays and ends with a touchdown....
University of South Florida
Fcat: Human Number Line: Teacher Notes
This activity allows students to physically create a number line and work on adding and subtracting integers. This lesson can be adapted to include other concepts with real numbers.
ClassFlow
Class Flow: Rational Numbers
[Free Registration/Login Required] Using a number line, the terms whole numbers, rational numbers and integers are defined positive and negative numbers are discussed.
Alabama Learning Exchange
Alex: Let's Go Fishing for Positive and Negative Integers
This lesson will actively engage students in a fishing tournament that uses ordered pairs to catch fish. As students begin to catch the hidden fish, they will find a relationship between the integers in the ordered pairs. By identifying...
Khan Academy
Khan Academy: Ordering Rational Numbers
Practice putting positive and negative fractions and decimals in order. For example, -12/4, -2.5, and 3.25. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Missing Numbers on the Number Line
Practice more challenging problems where you identify positive and negative integers on a number line that doesn't have zero labeled. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video...
Khan Academy
Khan Academy: Negative Signs in Fractions
Practice rewriting fractions with positive and negative denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Illustrative Mathematics
Illustrative Mathematics: 6.ns Comparing Temperatures
This task has students do computations with positive and negative numbers in the context of temperature. Aligns with 6.NS.C.7.b.
Illustrative Mathematics
Illustrative Mathematics: 6.ns It's Warmer in Miami
This task has students do simple computations with positive and negative numbers in the context of temperature differences. Aligns with 6.NS.C.5.
Illustrative Mathematics
Illustrative Mathematics: 6.ns Mile High
Sixth graders work with positive and negative numbers in a real-world context in this problem about elevation as it relates to sea level. Aligns with 6.NS.C.5.
Common Core Sheets
Common Core Sheets: The Number System 7.ns.1b Worksheets
Print or create worksheets or flashcards to assess students' understanding of adding and subtracting positive and negative numbers using a number line.
Khan Academy
Khan Academy: Interpreting Negative Number Statements
Practice matching addition and subtraction equations to real-world scenarios. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Common Core Sheets
Common Core Sheets: The Number System 7.ns.2a Worksheets
Print or create worksheets or flashcards to assess students' understanding of multiplying or dividing negative numbers.
Other
Msjc: Lesson: The Opposite and the Reciprocal Assignment: The Opposite
Explore opposites and reciprocals through positive and negative numbers and fractions.
Mangahigh
Mangahigh: Number: Addition and Subtraction
Add and subtract positive and negative numbers.
University of Cambridge
University of Cambridge: Maths and Sports: Swimming Pool
We're investigating the number of steps we would climb up or down to get out of or into the swimming pool. How could you number the steps below the water? This activity uses the familiar environment of a swimming pool to introduce...
Alabama Learning Exchange
Alex: How Low Can You Go?
In this lesson, learners will identify and locate numberspostive and negative numbers, including decimals and fractions on a number line. This lesson plan was created by exemplary Alabama Math Teachers through the AMSTI project.